Bryant 393U is a forced air, gas-fired furnace that can be installed as an upflow, counter-flow, or basement furnace. It has an A.G.A. rating of up to 400,000 BTU/hr and a bonnet capacity of up to 320,000 BTU/hr. The furnace is equipped with a variety of features, including a Bryant Automatic Pilot, a Bryant Gas Control Valve, and a Gas Pressure Regulator. It also has a 100% Shut Off and a T. C. Pilot. The furnace is designed for use with summer air conditioning and can be installed in a variety of locations, including closets, alcoves, and open areas.